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Shigaite & Rhodochrosite

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ESM736739

Shigaite & Rhodochrosite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3 cm
Description

A well defined brown shigaite rosette on pink rhodochrosite

Mineral Data
What's on the rock

Shigaite

Formula: 
Mn6Al3(OH)18[Na(H2O)6][SO4]2·6H2O
Strunz: 
7.DD.35
Hardness: 
0.0
Type Locality: 
Ioi mine, Ritto City, Shiga Prefecture, Kinki Region, Honshu Island, Japan

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania